Gas-mixer.



J. -PRBSCOTT.

. GAS MIXER.

APPLIOATION FILED s321130, 1911.

1,031,817. Patented July 9, 1912.

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JESSE PRESCOTT, OF WEBSTER, MASSACHUSETTS.

GAS-MIXER.

Application led September 30, 1911.

Specification of Letters Patent.

Patented July 9, 1912.

serial No. 652,137.

To all fr/wm z' may concern.' are spaced inwar'd away from the wall 10 Be it known that I, JESSE PRESCOTT, a by a projecting iange 1 8 a distance sufficient citizen of the United States, and resident to permit the air shutter slides 19 tooperof IVebster, county of Vorcester, State of ate and be guided between the plate portion 6o Massachusetts, have invented an Improve- 17 and the casing wall. The air shutters 19, ment in Gras-Mixers, of which the following which are thus accurately guided, are of a description, in connection with the accomlength so as to be capable of sliding inward panying drawings, is a specification, like from the opposite sides up close to the 4cenletters on the drawings representing like `tral socket 12 to entirely close the air open- 65 parts. ing 11, and the guide ways therefor between This invent-ion relates to apparatus for the plates 17 and the wall 10 are long mixing air and gas in proper proportions enough to permit these shutters to be slid for combustion, and while capable of other Outward so as to fully open the air opening and more general uses, is especially designed at will. These shutters are preferably pro- 70 for Various Styles 0f dornegtig burners, vided With Suitable handles WlllCll may C011- The invention provides a device adapted Veniently be formed by turning out lugs 2O to be fitted to the wall of a casing or recepat their inner ends. It is also desirable that tacle and to lie substantially flush with the means be provided for holding the shutters surface thereof without any projecting parts in the desired adjusted positions, and to 75 to accumulate dirt and be in the way. The this end small screw bolts 21 may be tapped device is furthermore of the greatest simthrough the casing wall near the extremities plicit-y in construction and capable of havof the air opening 11. ing its principal parts readily formed of In Fig. t a garbage incinerator is shown Ordinary stampings, conventionally with my improved mixer as- 80 The invention will be better understood sociated therewith and it will be understood from the following detailed description that this is illustrative of a wide variety of taken in connection with the accompanying uses to which the invention may be applied drawings, and will thereafter be pointed 1n many plaCeS Where it is desirable t0 aVOld out in the appended claims. the usual outwardly project-ing mixer with 85 Referring to the drawings: Figure 1 is a its attendant objections.

horizontal transverse section through a por- It will be observed that there are no arts tion of a casing with the improved mixer of the mixer projecting to any appreciable applied thereto. Fig. 2 is a front elevation degree from the outside of the casing to t showing the mixer. Fig. 3 is a transverse which it is applied, and that on the inside 90 vertical section through the casing showing of the casing likewise there are no projectthe parts of the mixer in end elevation, and ing parts, excepting, of course, the flaring Fig. et is an elevation of a domestic burner receiver for the combustible mixture. l. with the invention applied thereto. It is to be understood that the various de- In the illustrative embodiment to be details of construction are capable of modifi- 40 scribed the vertically extending Wall of the cation without departing from the invention l casing is designated 10 and at a suitable and I therefore do not desire to be limited as point is providedk with an elongated aperto these, except as set forth in the appended ture 11 therethrough. A threaded socket 12 claims. .,rigid with the casing wall has fitted thereto Having described my invention, what yI 'ilany suitable gas supply connection 13 terclaim as new, and desire to secure by Letminating in a nipple 14 with a needle pasters Patent is: sage therethrough. The conduit 15 for the 1. A device of the kind described, comcombustible mixture inside the casing is prising a Wallhaving an elongated air open- -flared out, as seen at 16, to fit over the full ing therethrough, a gas connection at one mlength of the aperture 11 in the Wall 10 side of said wall, a conduit for a combustible "and from the extremities of such Haring mixture at the other side of said wall, and portion plate portions 17 extend for some slides for controlling said air opening at little distance at either side in spaced apart opposite sides thereof, said slides being parallelism with the casing wall 10 to remounted to lie substantially flush with said 110 55 ceive and guide the air shutters as will be wall.

explained. These horizontal plate portions 2. A device of the kind described, comprising a Wall having an elongated air opening therethrough, a gas connection at one side of said Wall., a conduit for a combustible mixture having a flaring receiving opening fitted to the other side of said Wall With slide guiding extensions and covering said air opening, and slides for controlling said air opening at opposite sides thereof, said slides being guided between said Wall and said extensions from said conduit.

3. A device of the kind described, com-k prising a casing Wall having an elongated air opening therethrough, a gas connection to one side of said wall, a conduit for a coinbustible mixture fitted at the other side of said Wall having a flaring receiving portion to cover said air opening, plate portions extending therefrom in parallel spaced apart relation to said Wall, and slides for controlling said air opening at opposite sides thereof guided between the extending portions of said conduit and said Wall.

4;. A device of the kind described, cornprismg a casing wall having an elongated of adjustment.

In testimony whereof, I have signed my naine to this specification in the presence of tWo subscribing Witnesses.

JESSE PRESCOTT.

Witnesses:

GEO. H. MAXWELL, CLYDE L, ROGERS.

Copies of this patent may be obtained for ve cents each, by addressing the Commissioner of Patents, Washington, D. C. 

